Question Text
Question 1 :
Find the product of the pair of monomials : $-4p , 7pq$
Question 4 :
What will be the product of first monomial $7x^2y$ and second monomial $7x^2y$ ?
Question 5 :
Which of the following is(are) binomial(s) with only x as a variable?
Question 6 :
The area of a circle is given by the expression $\pi x^2+6\pi x+9\pi$. Find the radius of the circle.
Question 7 :
State true or false. In the division of a polynomial by a monomial, we carry out the division by dividing each term of the polynomial by the monomial.
Question 8 :
$a (a^2 + a + 1) + 5$ ,find its value for a = 1.
Question 11 :
Obtain the volume of rectangular box with the following length, breadth and height respectively: $xy, 2x^2y, 2xy^2$
Question 13 :
Subtract: $3a (a + b + c ) – 2 b (a – b + c) \ from \ 4c ( – a + b + c )$
Question 14 :
Subtract $b (b^2 + b – 7)$ + 5 from $3b^2 – 8$ and find the value of expression obtained for b = – 3.
Question 16 :
Carry out the multiplication of the expression : $ab, a – b$
Question 20 :
If p + q = 12 and pq = 22, then find $p^2 + q^2$